Apply exponent property: To simplify y−4⋅y3, we use the property of exponents that states when multiplying like bases, we add the exponents.y−4⋅y3=y(−4+3)
Add exponents: Now we perform the addition of the exponents. y(−4+3)=y−1
Simplify expression: The expression y(−1) is already in its simplest form, representing the reciprocal of y.
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